Customer reviews

3.4 out of 5 stars
3.4 out of 5
533 customer ratings
5 star 44% (44%) 44%
4 star 11% (11%) 11%
3 star 10% (10%) 10%
2 star 11% (11%) 11%
1 star 25% (25%) 25%
How does Amazon calculate star ratings?